in laboratories in hospitals, people are fighting the terrible disease covid 19
syringe and test tube with blood related to coronavirus isolated on blue background
Medical test tubes with blood in holder on white background,3d rendering.
Positive blood test result for the new rapidly spreading Coronavirus, originating in Wuhan, China. Test tube with blood sample. Pandemic infectious concept
Surgical mask with coronavirus Covid 19 infected blood sample in tube. Vaccine research of virus 2019-nCoV at laboratory. Disease 2019 from Wuhan. Pandemic infectious concept